vic lee joins us with the story. vic? >> prosecutors should be wrapping up closing arguments in about a half hour then naiso goes back to jail. this after a two month trial. prosecutors called 70 witnesses to try to prove he drugged victims, photographed them, then, strangled them. he's also defending himself. >> the 79-year-old listened as prosecution delivered closing arguments. he's charged with murdering four pros stit yurts decades ago. she quoted a diary in which he described in disturbing detail how he sexual assaulted young women he picked up posing sometimes as a professional modeling photographer. then, in mid morning judge andrews sweet stopped the hearing worried jurors may have seen a sign on this truck in the parking lot. it said joseph naso murdered my sister january 11th, 1977, ended with a plea for money. the judge was afraid it may have influenced juror who's saw it, which could result in a mistrial. most of the session focused on phone shallly damaging effects of the sign. larry told us he was broke and